<!DOCTYPE html>
<html>
  <head>
    <meta charset="utf-8">
    <title>prl</title>
    <script>
       var num=window.devicePixelRatio;
       var bili=1/num;
       var meta=document.createElement('meta');
       meta.name= 'viewport';
       meta.content='width=device-width, user-scalable=no, initial-scale=1 ,    maximum-scale=1 minimum-scale==1';
       document.head.appendChild(meta);
       var wid=document.documentElement.clientWidth/10;
       document.documentElement.style.fontSize=wid+'px';
  </script>
  </head>
  <body>
    <div id="app"></div>
    <!-- built files will be auto injected -->
  </body>
</html>
